GARRETT G-SERIES G55 2900 CHRA G55-2900, G55-106mm, P/N: 880546-5012S

The Garrett G55-2900 CHRA is a purpose-built core for enthusiasts pushing modified 4-6 cylinder engines into serious power territory. Built around a 106mm compressor wheel and ball bearing architecture, this core is engineered for tuners who demand responsive boost delivery without sacrificing top-end capability. It’s the foundation for a turbo system designed to handle aggressive, high-output builds with precision.

Specifications

• Compressor Wheel Size: 106mm
• Bearing Type: Ball Bearing
• HP Capacity: Up to 550 hp
• Garrett P/N: 880546-5012S
• Also Known As: G55-2900, G55-106mm

Performance & Application

This CHRA is designed for modified 4-6 cylinder engines seeking a serious step up in power potential. The 106mm compressor wheel combined with ball bearing design delivers efficient boost with responsive mid-range performance, avoiding the lag typically associated with larger turbo cores. Optimized A/R ratios help this core maintain peak efficiency across the demands of aggressive, high-performance builds. It’s a strong match for enthusiasts building toward the upper end of its supported power range without compromising drivability.

Frequently Asked Questions

What HP can the G55-2900 CHRA support?

This core supports up to 550 hp, making it suitable for aggressive, modified builds.

Is this a ball bearing or journal bearing core?

The G55-2900 CHRA uses a ball bearing design for efficient boost delivery.

What size compressor wheel does this core use?

This core houses a 106mm compressor wheel.

What does G55-2900 or G55-106mm refer to?

These are alternate names for the Garrett G-Series G55 CHRA, Garrett P/N 880546-5012S.

For builders targeting responsive mid-range power and peak efficiency on modified 4-6 cylinder platforms, the Garrett G55-2900 CHRA delivers a proven, engineered foundation for aggressive performance goals.